Announcing Windows 11 Insider Preview Build 22579

UPDATE 3/22: We are starting to roll out Cumulative Update Build 22579.100 (KB5013192). This update does not include anything new and is designed to test our servicing pipeline for builds in the Dev Channel.

Hello Windows Insiders,

Today we are releasing Windows 11 Insider Preview Build 22579 to the Dev Channel.


· The Bug Bash has begun! Help us continue to shape Windows by participating in our Bug Bash from March 16th to March 22nd. Explore new features, apps, and experiences that we have released in these latest builds and share feedback! You can check the Quests section of the Feedback Hub to get ideas of what to try out. Participating Insiders on this build will receive a Bug Bash badge in the Feedback Hub.

· We are releasing ISOs for this build – they can be downloaded here!

· This build introduces a new policy for IT administrators to exclude USB removable drives from BitLocker encryption.

· We are also introducing a good set of changes and improvements including the ability to name your folders on Start, site suggestions in the Get Started app that you can pin to your taskbar, and more!

· We have some updates for the Media Player and Your Phone apps – details below.

· Join us for the March Windows Insider WebcastTune in at 10am PDT/5pm UTC on March 22nd as we host guests from the team responsible for the new focus experiences introduced in Build 22557. We’ll also talk about the current Bug Bash, including Quests, recent builds, and more!

What’s new in Build 22579

Exclude USB removable drives from encryption

We are introducing a new policy so that IT administrators can exclude USB removable drives from BitLocker encryption. This will solve the problem of automatic or accidental encryption of storage built into specialized devices like video cameras, voice recorders, conferencing systems, medical devices and many more. When this policy is enabled, you will not be able to encrypt storage that is on the exclusion list, and you will not be prompted for encryption if you connect such storage to a device while “Deny write access to removable drives not protected by BitLocker” policy is enabled on it. This policy so far can only be configured via MDM custom OMA-URI.

Here are the steps an IT administrator can take to exclude storage from encryption:

STEP 1: Gather Hardware IDs of devices you want to exclude. You can follow the steps to get hardware IDs of devices outlined here in this Docs page.

STEP 2: Configure BitLocker Exclusion list Policy in Intune:

1. Login to Endpoint Manager portal.

2. Go To Devices > Configuration Profiles.

3. Click “Create Profile“.

4. Select Platform “Windows 10 and later” and Profile type: “Templates” then select Template Name: “Custom”.

5. On a Basics tab, name your policy and put any description.

6. On a Configuration settings tab click Add and:

· Enter your name and description of the setting.

· Oma-URI:


· Data type: String

· Value: enter your Hardware ID copied in previous steps. You can separate each entry with coma.

7. Click Save and then Next.

8. On Assignments tab select group that you want this policy to apply to.

9. Click Next, Next and on Review + create tab click Create.

FEEDBACK: Please file feedback in Feedback Hub (WIN + F) under Security and Privacy > BitLocker and Device Encryption.

Changes and Improvements


[Start menu]

[Get Started app]

Note: This experience recommends popular sites and is currently only available to EN-US devices. Personalized site recommendations and other locales will be supported soon.


[Task Manager]


For developers

You can download the latest Windows Insider SDK at

SDK NuGet packages are now also flighting at NuGet Gallery | WindowsSDK which include:

These NuGet packages provide more granular access to the SDK and better integrate in CI/CD pipelines.

Media Player: CD playback

We have rolled out an update for Media Player (Version 11.2202.42.0) that brings support for CD playback. We’ve also made improvements to better adapt to theme changes and to the media content drag and drop experience.

Your Phone app – Recent Apps Feature: continuity with your office documents

We recently announced the Recent Apps feature which allows you to easily access the three most recently used apps from your Android device on your PC. Now, we are excited to introduce the latest integration of Your Phone and Office mobile expanding the Office productivity with your Samsung device.

You were able to access your Office documents on the go with the Office mobile app, but now with Your Phone’s deeper integration with Office, when you get back to your PC, you can open the supported documents in the Office desktop app or browser and pick up right where you left off on your phone.  Simply click on the document icon from your Recent Apps flyout from Your Phone icon in the system tray on the taskbar or from within the Apps page in Your Phone app and continue working without missing a beat.

The feature is gradually rolling out to Windows Insiders on select Samsung devices (details below). Try out the feature and let us know what you think!

FEEDBACK: Please file feedback in Feedback Hub (WIN + F) under Apps > Your Phone.

Recent Apps – Office continuity requirements:

To use this feature, you will need:

Supported Office Documents:

Word, Excel, PowerPoint documents saved in OneDrive

About the Dev Channel [Updated!]

The Dev Channel receives builds that represent long lead work from our engineers with features and experiences that may never get released as we try out different concepts and get feedback. It is important to remember that the builds we release to the Dev Channel should not be seen as matched to any specific release of Windows and the features included may change over time, be removed, or replaced in Insider builds or may never be released beyond Windows Insiders to general customers. For more information, please read this blog post about how we plan to use the Dev Channel to incubate new ideas, work on long lead items, and control the states of individual features.

These aren’t always stable builds, and sometimes you will see issues that block key activities or require workarounds. It is important to make sure you read the known issues listed in our blog posts as we document many of these issues with each flight.

Build numbers are higher in the Dev Channel than the Windows 11 preview builds in the Beta and Release Preview Channels. You will not be able to switch from the Dev Channel to the Beta or Release Preview Channels without doing a clean install back to the released version of Windows 11 currently.

The desktop watermark you see at the lower right corner of your desktop is normal for these pre-release builds.

Important Insider Links

· Want to learn how we made Windows 11? Check out our Inside Windows 11 website to hear and meet our makers from Engineering, Design and Research to share their insights and unique perspectives throughout this journey.

· You can check out our Windows Insider Program documentation here.

· Check out Flight Hub for a complete look at what build is in which Insider channel.

Before you update your machine, visit the Announcing Windows 11 Insider Preview Build 22579 | Windows Insider Blog today to view full details on new features, general changes, improvements, known issues and much more!